import re
import json
from typing import Optional, Union

from multi_swe_bench.harness.image import Config, File, Image
from multi_swe_bench.harness.instance import Instance, TestResult
from multi_swe_bench.harness.pull_request import PullRequest


class ImageDefault(Image):
    def __init__(self, pr: PullRequest, config: Config):
        self._pr = pr
        self._config = config

    @property
    def pr(self) -> PullRequest:
        return self._pr

    @property
    def config(self) -> Config:
        return self._config

    def dependency(self) -> str:
        return "python:3.9-slim"

    def image_prefix(self) -> str:
        return "envagent"

    def image_tag(self) -> str:
        return f"pr-{self.pr.number}"

    def workdir(self) -> str:
        return f"pr-{self.pr.number}"

    def files(self) -> list[File]:
        return [
            File(
                ".",
                "fix.patch",
                f"{self.pr.fix_patch}",
            ),
            File(
                ".",
                "test.patch",
                f"{self.pr.test_patch}",
            ),
            File(
                ".",
                "prepare.sh",
                """apt-get update && apt-get install -y proj-bin libproj-dev libgeos-dev gcc g++
###ACTION_DELIMITER###
pip install --upgrade pip && pip install -r ci/requirements.txt -r ci/extra_requirements.txt -r ci/test_requirements.txt && pip install -e .
###ACTION_DELIMITER###
pip install setuptools==58.0.0 && pip install --upgrade pip && pip install -r ci/requirements.txt -r ci/extra_requirements.txt -r ci/test_requirements.txt && pip install -e .
###ACTION_DELIMITER###
pip install setuptools==58.0.0 && pip install -r ci/requirements.txt -r ci/test_requirements.txt && pip install --no-build-isolation cartopy==0.19.0.post1 && cat ci/extra_requirements.txt | grep -v cartopy > temp_extra.txt && pip install -r temp_extra.txt && rm temp_extra.txt && pip install -e .
###ACTION_DELIMITER###
pip install setuptools==42.0.0 && pip install --no-build-isolation https://files.pythonhosted.org/packages/ed/ca/524ce33692df3faeaa56852fb6a33b0b410be94cc288417565b96fef3f64/Cartopy-0.19.0.post1.tar.gz && pip install -r ci/requirements.txt -r ci/test_requirements.txt && cat ci/extra_requirements.txt | grep -v cartopy > temp_extra.txt && pip install -r temp_extra.txt && rm temp_extra.txt && pip install -e .
###ACTION_DELIMITER###
pip install setuptools==42.0.0 && wget https://raw.githubusercontent.com/OSGeo/PROJ/4.9.3/src/proj_api.h -O /usr/include/proj_api.h && CFLAGS="-I/usr/include" pip install --no-build-isolation https://files.pythonhosted.org/packages/ed/ca/524ce33692df3faeaa56852fb6a33b0b410be94cc288417565b96fef3f64/Cartopy-0.19.0.post1.tar.gz && pip install -r ci/requirements.txt -r ci/test_requirements.txt && cat ci/extra_requirements.txt | grep -v cartopy > temp_extra.txt && pip install -r temp_extra.txt && rm temp_extra.txt && pip install -e .
###ACTION_DELIMITER###
apt-get update && apt-get install -y wget && pip install setuptools==42.0.0 && wget https://raw.githubusercontent.com/OSGeo/PROJ/4.9.3/src/proj_api.h -O /usr/include/proj_api.h && CFLAGS="-I/usr/include" pip install --no-build-isolation https://files.pythonhosted.org/packages/ed/ca/524ce33692df3faeaa56852fb6a33b0b410be94cc288417565b96fef3f64/Cartopy-0.19.0.post1.tar.gz && pip install -r ci/requirements.txt -r ci/test_requirements.txt && cat ci/extra_requirements.txt | grep -v cartopy > temp_extra.txt && pip install -r temp_extra.txt && rm temp_extra.txt && pip install -e .
###ACTION_DELIMITER###
wget https://raw.githubusercontent.com/OSGeo/PROJ/4.9.3/src/proj_api.h -O /usr/include/proj_api.h && CFLAGS="-I/usr/include" pip install --no-build-isolation https://files.pythonhosted.org/packages/ed/ca/524ce33692df3faeaa56852fb6a33b0b410be94cc288417565b96fef3f64/Cartopy-0.19.0.post1.tar.gz && pip install -r ci/requirements.txt -r ci/test_requirements.txt && cat ci/extra_requirements.txt | grep -v cartopy > temp_extra.txt && pip install -r temp_extra.txt && rm temp_extra.txt && pip install -e .
###ACTION_DELIMITER###
pytest --version
###ACTION_DELIMITER###
echo 'pytest -v' > /home/MetPy/test_commands.sh
###ACTION_DELIMITER###
bash /home/MetPy/test_commands.sh
###ACTION_DELIMITER###
pip install -e .
###ACTION_DELIMITER###
bash /home/MetPy/test_commands.sh""",
            ),
            File(
                ".",
                "run.sh",
                """#!/bin/bash
cd /home/{pr.repo}
pytest -v

""".format(pr=self.pr),
            ),
            File(
                ".",
                "test-run.sh",
                """#!/bin/bash
cd /home/{pr.repo}
if ! git -C /home/{pr.repo} apply --whitespace=nowarn /home/test.patch; then
    echo "Error: git apply failed" >&2
    exit 1  
fi
pytest -v

""".format(pr=self.pr),
            ),
            File(
                ".",
                "fix-run.sh",
                """#!/bin/bash
cd /home/{pr.repo}
if ! git -C /home/{pr.repo} apply --whitespace=nowarn  /home/test.patch /home/fix.patch; then
    echo "Error: git apply failed" >&2
    exit 1  
fi
pytest -v

""".format(pr=self.pr),
            ),
        ]

    def dockerfile(self) -> str:
        copy_commands = ""
        for file in self.files():
            copy_commands += f"COPY {file.name} /home/\n"

        dockerfile_content = """
# This is a template for creating a Dockerfile to test patches
# LLM should fill in the appropriate values based on the context

# Choose an appropriate base image based on the project's requirements - replace [base image] with actual base image
# For example: FROM ubuntu:**, FROM python:**, FROM node:**, FROM centos:**, etc.
FROM python:3.9-slim

## Set noninteractive
ENV DEBIAN_FRONTEND=noninteractive

# Install basic requirements
# For example: RUN apt-get update && apt-get install -y git
# For example: RUN yum install -y git
# For example: RUN apk add --no-cache git
RUN apt-get update && apt-get install -y git

# Ensure bash is available
RUN if [ ! -f /bin/bash ]; then         if command -v apk >/dev/null 2>&1; then             apk add --no-cache bash;         elif command -v apt-get >/dev/null 2>&1; then             apt-get update && apt-get install -y bash;         elif command -v yum >/dev/null 2>&1; then             yum install -y bash;         else             exit 1;         fi     fi

WORKDIR /home/
COPY fix.patch /home/
COPY test.patch /home/
RUN git clone https://github.com/Unidata/MetPy.git /home/MetPy

WORKDIR /home/MetPy
RUN git reset --hard
RUN git checkout {pr.base.sha}
"""
        dockerfile_content += f"""
{copy_commands}
"""
        return dockerfile_content.format(pr=self.pr)


@Instance.register("Unidata", "MetPy_2019_to_1921")
class METPY_2019_TO_1921(Instance):
    def __init__(self, pr: PullRequest, config: Config, *args, **kwargs):
        super().__init__()
        self._pr = pr
        self._config = config

    @property
    def pr(self) -> PullRequest:
        return self._pr

    def dependency(self) -> Optional[Image]:
        return ImageDefault(self.pr, self._config)

    def run(self, run_cmd: str = "") -> str:
        if run_cmd:
            return run_cmd

        return "bash /home/run.sh"

    def test_patch_run(self, test_patch_run_cmd: str = "") -> str:
        if test_patch_run_cmd:
            return test_patch_run_cmd

        return "bash /home/test-run.sh"

    def fix_patch_run(self, fix_patch_run_cmd: str = "") -> str:
        if fix_patch_run_cmd:
            return fix_patch_run_cmd

        return "bash /home/fix-run.sh"

    def parse_log(self, log: str) -> TestResult:
        # Parse the log content and extract test execution results.
        passed_tests = set()  # Tests that passed successfully
        failed_tests = set()  # Tests that failed
        skipped_tests = set()  # Tests that were skipped
        import re

        # Parse test names and statuses using regex (handles trailing content and line numbers)
        # Passed tests: Exclude line number, capture test path
        passed_matches = re.findall(
            r"^\s*(?:\[\s*\d+\s*\]\s+)?(tests/.*?)\s+PASSED",
            log,
            re.MULTILINE | re.IGNORECASE,
        )
        passed_tests = set(passed_matches)
        # Skipped tests: Optional line number, handle optional reason
        skipped_matches = re.findall(
            r"^\s*(?:\[\s*\d+\s*\]\s+)?(tests/.*?)\s+SKIPPED(?:\s*\(.*?\))?",
            log,
            re.MULTILINE | re.IGNORECASE,
        )
        skipped_tests = set(skipped_matches)
        # Failed tests: Optional line number, handle optional text after hyphen
        failed_matches = re.findall(
            r"^\s*(?:\[\s*\d+\s*\]\s+)?FAILED\s+(tests/.*?)(?:\s+-.*|$)",
            log,
            re.MULTILINE | re.IGNORECASE,
        )
        failed_tests = set(failed_matches)
        parsed_results = {
            "passed_tests": passed_tests,
            "failed_tests": failed_tests,
            "skipped_tests": skipped_tests,
        }

        return TestResult(
            passed_count=len(passed_tests),
            failed_count=len(failed_tests),
            skipped_count=len(skipped_tests),
            passed_tests=passed_tests,
            failed_tests=failed_tests,
            skipped_tests=skipped_tests,
        )
